Which of the following led to the development of Christianity in the Byzantine Empire?

A. The apostle Paul spread Christianity throughout the empire.

B. The power of the Christianized Roman Empire declined.

C. The Romans abandoned a long history of Christian persecution.

D. The spread of the Christian religion after Constantine converted to it.

Which of the following led to the development of Christianity in the Byzantine Empire?

The apostle Paul spread Christianity throughout the empire due to his christian activity, travels, letter (see the Bible book called Romans), he also was inprisoned in Rome. But after Constantine the Great cponverted to it, Christian religion became more powerfull.